289408075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1523}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 392314176

約数和(自身を除く): 102906101

約数列:

[1, 5, 11, 25, 55, 275, 691, 1523, 3455, 7601, 7615, 16753, 17275, 38005, 38075, 83765, 190025, 418825, 1052393, 5261965, 11576323, 26309825, 57881615, 289408075]

約数ペア:

[(1, 289408075), (5, 57881615), (11, 26309825), (25, 11576323), (55, 5261965), (275, 1052393), (691, 418825), (1523, 190025), (3455, 83765), (7601, 38075), (7615, 38005), (16753, 17275)]